An orthopaedic surgical blade designed to cut and remove circular sections of bone, typically for biopsy or percutaneous bone graft harvesting. It is typically a hollow cylinder with a circular, saw-like serrated working edge. It is an exchangeable device that may be attached to a manually-operated handle or to a powered rotary surgical handpiece. The device is typically made of high-grade stainless steel. This is a single-use device.